Streamlight Task Light Flashlight LED / Xenon Combination Flashlights The Streamlight Twin-Task series of flashlights combine the latest LED technology with super-bright Xenon lights. The result is a professional grade flashlight with incredibly long runtime using the LED or the brightness and range of a conventional high powered Xenon bulb. Streamlight Task-Light Flashlight Features Anodized aluminum housing O-ring sealed Water-resistant Polycarbonate lens Computer designed micro-faceted reflector assembly Long running, rugged LEDs Enhanced knurled grip Super-bright Xenon bulb (Twin-Task)